Letter from Carl Hayden to Roy James and M. J. Hanley expressing a wish to soon have a definite answer in regards to their insurance claims.

Letter from Carl Hayden to A. E. Demaray on behalf of Roy James and M. J. Hanley asking if reimbursment could be granted without the need of special legislation.

Letter from Carl Hayden to Arno B. Cammerer asking for the insurance claims of Roy James and M. J. Hanley to be investigated.

Letter from Carl T. Hayden to Louis C. Cramton about potential prosecution of people with mining claims within park boundaries.

Letter from Carl T. Hayden to Michael J. Riordan explaining the benefits of selling Bright Angel Trail and building an approach road.

Letter from Carl T. Hayden to J. B. Rickel concerning proposed changes to Grand Canyon National Park boundaries.

Letter from Carl T. Hayden to P. J. Moran concerning the alignment of the road to Bright Angel Trail.

Letter from Carl T. Hayden to Alf Dickenson about mine locations within the park.

Letter from Carl T. Hayden to J. R. Eakin regarding changes to the Grand Canyon National Park boundaries and the purchase of lands from William Randolph Hearst.

Letter from Carl Hayden to J. R. Eakin about a trip to the Grand Canyon.